FX 4100 ONLY SHOWING 2CORES AND 2 THREADS IN CPU-Z?????

Hi pratikpk410,

I think that somehow the other two cores of this processor got disabled. To solve this, follow these steps---

Open the start menu, click on Run, type in msconfig and click on OK.

In the System Configuration window click on the Boot sub menu and then on Advanced Options button.

In the second window that appears, you should be provided with an option for enabling and disabling the cores as you wish.

Select the option of 4 from the drop-down list.

Validate your entry by clicking on OK.

Restart your PC.

Regards,
SmartGeek

I had the exact same issue and also have the same CPU+MOBO combo, to fix this I had to update windows.

Please post if this fixes it for you too, seems to be a problem that's cropping up.

YES , AS SOON I POSTED THIS QUESTION I SWITCHED OFF MY PC ,and entered the bios to find out whether i could do something from it ... their was the option of all cores but i ain't touched it because their was also the option of "press 4 to enter core unlocker" so i pressed 4 and the cpu booted again ... and when i was trying getting into windows it was not letting me in (the screen was taking too much time to load , entering a user was not possible because the windows was stuck into "welcome" screen.)But luckily i had got a windows 7 ultimate 64bit latest with sp1 included and was genuine dvd so reinstalled windows .... and the problem was overcomed .. the ram earlier was showing only 7.75 gb usable but now full 8 gb is usable.... the issue of cores and thread which i mentioned was also fixed , now all cores were used as default .... !!thanks for the answer you gave but i tried it even before you replied , since no option was left in front of me !!!